me.maxwin XListView 刷新下拉 实例源码

【核心代码】

package me.maxwin;

import java.util.ArrayList;

import me.maxwin.view.XListView;
import me.maxwin.view.XListView.IXListViewListener;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.widget.ArrayAdapter;

public class XListViewActivity extends Activity implements IXListViewListener {
	private XListView mListView;
	private ArrayAdapter<String> mAdapter;
	private ArrayList<String> items = new ArrayList<String>();
	private Handler mHandler;
	private int start = 0;
	private static int refreshCnt = 0;
	/** Called when the activity is first created. */
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		geneItems();
		mListView = (XListView) findViewById(R.id.xListView);
		mListView.setPullLoadEnable(true);
		mAdapter = new ArrayAdapter<String>(this, R.layout.list_item, items);
		mListView.setAdapter(mAdapter);
		mListView.setXListViewListener(this);
		mHandler = new Handler();
	}

	private void geneItems() {
		for (int i = 0; i != 20;   i) {
			items.add("refresh cnt "   (  start));
		}
	}

	private void onLoad() {
		mListView.stopRefresh();
		mListView.stopLoadMore();
	}
	
	@Override
	public void onRefresh() {
		mHandler.postDelayed(new Runnable() {
			@Override
			public void run() {
				start =   refreshCnt;
				items.clear();
				geneItems();
				mAdapter.notifyDataSetChanged();
				onLoad();
			}
		}, 3000);
	}

	@Override
	public void onLoadMore() {
		mHandler.postDelayed(new Runnable() {
			@Override
			public void run() {
				geneItems();
				mAdapter.notifyDataSetChanged();
				onLoad();
			}
		}, 3000);
	}

}